always set item_blog_url, save_url and unsave_url (checks as to whether to display or not are done in the adp); pass -- to string_truncate to be safe; pass user_id to permission_p
straightened out grouping issue in display (ran into the old issue detailed here - http://openacs.org/bugtracker/openacs/bug?bug%5fnumber=428); backing out maltes upgrade script change as it doesn't break anything and will create inconsistent data model - portlet should really be updated to fix the issue; tagging for rel v0.9.9